# Contamination control.

**Citation:** 49 CFR 176.715  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Each hold, compartment, or deck area used for the transportation of low specific activity or surface contaminated object Class 7 (radioactive) materials under exclusive use conditions in accordance with § 173.427(b)(4), or § 173.427(c) must be surveyed with appropriate radiation detection instrument

## Document text

Each hold, compartment, or deck area used for the transportation of low specific activity or surface contaminated object Class 7 (radioactive) materials under exclusive use conditions in accordance with § 173.427(b)(4), or § 173.427(c) must be surveyed with appropriate radiation detection instruments after each use. Such holds, compartments, and deck areas may not be used again for Class 7 (radioactive) materials exclusive use transport service, and then only for a subsequent exclusive use shipment utilizing the provisions of § 173.427(b)(4), or § 173.427(c) until the radiation dose rate at every accessible surface is less than 0.005 mSv/h (0.5 mrem/h), and the non-fixed contamination is not greater than the limits prescribed in § 173.443(a) of this subchapter.

[79 FR 40618, July 11, 2014]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-176.715>
- Source ID: `ecfr`
- SHA-256: `da54390021b56d561bfd12a8de182b0667299b766c55cc1352940d0dc759e65c`
- Retrieved: 2026-08-20T05:46:14.489Z
- Exported: 2026-08-22T22:20:33.627Z
- Document slug: `49-cfr-176-715`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "176",
  "section": "176.715",
  "subpart": "Subpart M—Detailed Requirements for Radioactive Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```